CN107139154B - Device for reducing inertia damage in moving of marking device - Google Patents
Device for reducing inertia damage in moving of marking device Download PDFInfo
- Publication number
- CN107139154B CN107139154B CN201710454261.4A CN201710454261A CN107139154B CN 107139154 B CN107139154 B CN 107139154B CN 201710454261 A CN201710454261 A CN 201710454261A CN 107139154 B CN107139154 B CN 107139154B
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- China
- Prior art keywords
- supporting rod
- rod
- stand
- contact
- upright post
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
- B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements
Abstract
The invention discloses a device for reducing inertia damage in movement of a scribing device, which comprises an upright post limiting component, wherein the upright post limiting component mainly comprises a moving block, a supporting rod and a telescopic contact element which are sequentially connected, the moving block is connected with a driving device and can make linear motion under the driving of the driving device, one end of the supporting rod is connected with the moving block, and the other end of the supporting rod is connected with the contact element. When the stand is about to pause, the contact member is extended until the contact member contacts with one end of the stand, which is far away from the screw rod, so that the condition that the top of the stand is too large in inertia to generate great stress at the connecting part of the stand and the screw rod is avoided, the threads at the connecting part of the stand and the screw rod are protected, the condition that the threads are damaged to influence the measurement precision of the scribing machine is avoided, and the service life of the scribing machine is prolonged.
Description
Technical Field
The invention relates to a limiting device, in particular to a device for reducing inertial damage in the moving process of a scribing device.
Background
The single-arm measuring and marking instrument is one device widely used in machining field and has the main function of marking on workpiece to provide reference for the machining of workpiece. The single-arm measuring and scribing instrument consists of three-coordinate measuring and scribing host, scribing worktable, scribing part, digital display, precise electronic measuring head system, Y-axis measuring range lengthening system, graphic processing diagram software, etc. The scribing component comprises a scribing seat and a scribing needle, and the scribing seat is installed on the Y-axis horizontal arm.
The single-arm measuring and marking instrument is a high-efficiency over-function marking device integrating light collection and electromechanics, and can quickly and effectively finish three-dimensional marking on complex parts and model parts. The precision and the adjustment of the single-arm measuring scriber are closely related to the production quality of the product to be scribed, and the high-precision single-arm measuring scriber is an important guarantee for manufacturing high-quality products.
The volume of the single-arm measuring scriber is from dozens of cubic centimeters to several cubic meters, and the scribers with different sizes are selected according to parts with different volumes. When the marking instrument with large volume pauses in marking, the marking instrument has larger inertia, and because of the large volume, the upright post supporting the horizontal arm is higher, and when the upright post pauses to move, the part of the upright post far away from the working platform can still continue to move along the previous motion trail. Because stand lower extreme and screw connection are fixed by the lead screw, and the stand is higher, and when the stand stopped to move, its top inertia is big more, and then makes the position of being connected of stand and lead screw receive very big stress, destroys the thread on stand and the lead screw, influences the measurement accuracy of line printer, has reduced the life of line printer.
Disclosure of Invention
The invention aims to provide a device for reducing inertial damage in movement of a scribing device, and solves the problems that when an upright post stops moving, due to the fact that the upright post is too high, the connecting part of the upright post and a lead screw is greatly stressed, threads on the upright post and the lead screw are damaged, the measuring accuracy of a scribing machine is influenced, and the service life of the scribing machine is shortened.
The invention is realized by the following technical scheme:
the device for reducing the inertia damage in the movement of the scribing device comprises an upright post limiting component, wherein the upright post limiting component mainly comprises a moving block, a supporting rod and a telescopic contact element which are sequentially connected, the moving block is connected with a driving device and can make linear motion under the driving of the driving device, one end of the supporting rod is connected with the moving block, the other end of the supporting rod is connected with the contact element, the axis of the supporting rod is perpendicular to the movement track of the moving block, and the axis of the contact element is parallel to the movement track of the moving block. The contact member can adopt a pneumatic cylinder, a hydraulic cylinder or a link mechanism to realize the telescopic function. In the present invention, the contact member is preferably a pneumatic cylinder.
And sleeving a moving block in the upright post limiting assembly on a lead screw of the driving upright post, so that the moving block moves along with the movement of the upright post. The spacing subassembly of stand is located stand moving direction, when the stand is about to pause the motion, make the contact extension, until its and stand on keep away from the one end contact of lead screw, when the lead screw stall, stand stop motion, because there is the contact to restrict it to continue to keep former direction motion at the stand top, consequently avoided the stand top too big inertia and produced the condition of very big stress at stand and screw connection position and appear, the thread at stand and screw connection position has been protected, avoided the thread to damage and the condition that influences the measurement accuracy of line printer appears, the life of line printer has been improved.
The horizontal arm limiting assembly comprises an arm blocking piece and a telescopic rod which are sequentially connected, wherein the arm blocking piece is a U-shaped piece and is symmetrical along the axis of the telescopic rod; one end of the telescopic rod is connected with the outer side face of the arm blocking piece, the other end of the telescopic rod is perpendicularly connected with the supporting rod, and the horizontal arm limiting component and the contact piece are located on the same side of the supporting rod.
Because the horizontal arm is longer, when the upright post is paused, the motion inertia of the horizontal arm can generate great stress on the connecting part of the upright post and the screw rod, and therefore, a horizontal arm limiting component is arranged; when the stand pauses, the telescopic link is extended, the stand is located the U-shaped opening part of arm piece spare, makes the position homoenergetic that lies in the stand both sides on the horizontal arm contact with arm piece spare of keeping off, avoids producing very big stress at stand and screw connection position, has protected the screw tooth at stand and screw connection position, has avoided the screw tooth to damage and has influenced the measuring accuracy's of line printer the condition to appear, has improved the life of line printer.
Furthermore, an elastic rubber layer is arranged at one end of the arm blocking piece far away from the telescopic rod.
The device further comprises a controller and a pressure sensor, wherein the pressure sensor is arranged at one end, far away from the supporting rod, of the contact piece and can sense pressure parallel to the axis of the contact piece;
the pressure sensor and the motor of the contact element are connected with the controller, the pressure sensor sends pressure information sensed by the pressure sensor to the controller, and the controller receives a pressure signal from the pressure sensor and controls the output power of the motor of the contact element so as to control the extension length of the contact element. The controller adopts a singlechip, and the model of the singlechip is preferably AT89C 51; the preferred model for the pressure sensor is EVT-10G.
Furthermore, there are two column limit assemblies, and the contact pieces in the column limit assemblies are arranged opposite to each other and coaxial with each other. The upright post limiting component is arranged on one side of the upright post and can only limit the movement of the upright post in one direction; therefore, the stand column limiting assemblies are required to be arranged on the two sides of the stand column, so that the stand column stops and can reduce stress at the connecting part of the stand column and the screw rod under the action of the stand column limiting assemblies no matter which direction of the screw rod is suspended when the screw rod moves downwards.
Furthermore, a reinforcing rod is arranged between the contact element and the supporting rod, one end of the reinforcing rod is connected with the side wall of the contact element, and the other end of the reinforcing rod is connected with the side wall of the supporting rod.
The above-mentioned medium pressure sensor and controller are all prior art and are commercially available.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the device for reducing the inertia damage in the movement of the scribing device, the moving block in the upright post limiting assembly is sleeved on the lead screw of the driving upright post, so that the moving block moves along with the movement of the upright post. The upright post limiting assembly is positioned in the moving direction of the upright post, when the upright post is about to pause to move, the contact element extends until the contact element is contacted with one end, far away from the screw rod, of the upright post, when the screw rod stops rotating, the upright post stops moving, and the contact element at the top of the upright post limits the contact element to continue to keep moving in the original direction, so that the situation that the top of the upright post generates great stress at the connecting part of the upright post and the screw rod due to overlarge inertia is avoided, the thread at the connecting part of the upright post and the screw rod is protected, the situation that the measuring precision of the scribing machine is influenced due to the damage of the thread;
2. according to the device for reducing the inertia damage in the movement of the scribing device, the horizontal arm is long, and when the upright post is suspended, the movement inertia of the horizontal arm can generate great stress on the connecting part of the upright post and the screw rod, so that the horizontal arm limiting assembly is arranged; when the stand column is suspended, the telescopic rod is extended, the stand column is positioned at the U-shaped opening of the arm blocking piece, so that the parts, positioned at the two sides of the stand column, on the horizontal arm can be in contact with the arm blocking piece, the connection part of the stand column and the lead screw is prevented from generating great stress, the screw teeth at the connection part of the stand column and the lead screw are protected, the condition that the measurement precision of the scribing machine is influenced due to the damage of the screw teeth is avoided, and the service life of the scribing machine is prolonged;
3. according to the device for reducing the inertia damage in the movement of the scribing device, the upright post limiting component is arranged on one side of the upright post and can only limit the movement of the upright post in one direction; therefore, the stand column limiting assemblies are required to be arranged on the two sides of the stand column, so that the stand column stops and can reduce stress at the connecting part of the stand column and the screw rod under the action of the stand column limiting assemblies no matter which direction of the screw rod is suspended when the screw rod moves downwards.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Reference numbers and corresponding part names in the drawings:
the device comprises a 1-moving block, a 2-supporting rod, a 3-contact element, a 4-pressure sensor, a 5-arm retaining element, a 6-telescopic rod and a 7-reinforcing rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1, the device for reducing inertial damage during movement of a scribing device comprises an upright post limiting component, wherein the upright post limiting component mainly comprises a moving block 1, a supporting rod 2 and a telescopic contact element 3 which are sequentially connected, the moving block 1 is connected with a driving device and can make linear motion under the driving of the driving device, one end of the supporting rod 2 is connected with the moving block 1, the other end of the supporting rod 2 is connected with the contact element 3, the axis of the supporting rod 2 is perpendicular to the movement track of the moving block 1, and the axis of the contact element 3 is parallel to the movement track of the moving block 1. The contact member 3 can adopt a pneumatic cylinder, a hydraulic cylinder or a link mechanism to realize the telescopic function. In the present invention, the contact member 3 is preferably a pneumatic cylinder.
A moving block 1 in the upright post limiting assembly is sleeved on a lead screw of a driving upright post, so that the moving block 1 moves along with the movement of the upright post. The spacing subassembly of stand is located stand moving direction, when the stand is about to pause motion, make contact 3 extension, until its and stand on keep away from the one end contact of lead screw, when the lead screw stall, stand stop motion, because there is contact 3 to restrict it to continue to keep former direction motion at the stand top, consequently avoided the stand top too big inertia and produced the condition of very big stress at stand and screw connection position and appear, the thread at stand and screw connection position has been protected, avoided the thread to damage and the condition that influences the measurement accuracy of line printer appears, the life of line printer has been improved.
Example 2
The present invention is further illustrated on the basis of example 1.
As shown in fig. 1, the device for reducing inertial damage during movement of a scribing device further comprises a horizontal arm limiting assembly arranged on the support rod 2, wherein the horizontal arm limiting assembly comprises an arm blocking member 5 and a telescopic rod 6 which are sequentially connected, and the arm blocking member 5 is a U-shaped member and is symmetrical along the axis of the telescopic rod 6; one end of the telescopic rod 6 is connected with the outer side surface of the arm blocking piece 5, the other end of the telescopic rod is vertically connected with the supporting rod 2, and the horizontal arm limiting component and the contact piece 3 are both positioned on the same side of the supporting rod 2. The telescopic rod 6 is preferably a pneumatic cylinder.
Because the horizontal arm is longer, when the upright post is paused, the motion inertia of the horizontal arm can generate great stress on the connecting part of the upright post and the screw rod, and therefore, a horizontal arm limiting component is arranged; when the stand pauses, extension telescopic link 6, the stand is located keeps off the U-shaped opening part of arm spare 5, makes the position homoenergetic that lies in the stand both sides on the horizontal arm and keep off arm spare 5 contact, avoids producing very big stress at stand and screw connection position, has protected the screw tooth at stand and screw connection position, has avoided the screw tooth to damage and has influenced the measuring accuracy's of line printer the condition to appear, has improved the life of line printer.
Furthermore, an elastic rubber layer is arranged at one end of the arm blocking piece 5 far away from the telescopic rod 6.
Example 3
The present invention is further illustrated on the basis of example 1.
As shown in fig. 1, the device for reducing the inertial damage during the movement of the scribing device further comprises a controller and a pressure sensor 4, wherein the pressure sensor 4 is arranged at one end of the contact element 3 far away from the supporting rod 2 and can sense the pressure parallel to the axis of the contact element;
the pressure sensor 4 and the contact element 3 are connected with a controller, the pressure sensor 4 sends sensed pressure information to the controller, and the controller receives a pressure signal from the pressure sensor and controls the output power of the motor of the contact element 3 to control the extension length of the contact element 3.
Meanwhile, the pressure sensor 4 may be further provided at the end of the arm blocking member 5, and the sensor 4 and the driving motor of the telescopic link 6 are connected to a controller, which receives a pressure signal from the pressure sensor 4 and controls the output power of the motor of the telescopic link 6 to control the extension length of the telescopic link 6.
When the column is about to be suspended, the controller activates the motor of the contact member 3 and the motor of the telescopic rod 6 to extend the contact member 3 and contact the column, and the telescopic rod 6 extends to contact the arm stopper 5 with the horizontal arm.
Example 4
The present invention is further illustrated on the basis of example 1.
As shown in figure 1, the device for reducing the inertia damage in the moving process of the scribing device comprises two upright position limiting assemblies, wherein the contact pieces 3 in the upright position limiting assemblies are opposite to each other, and the contact pieces 3 are coaxial with each other. The upright post limiting component is arranged on one side of the upright post and can only limit the movement of the upright post in one direction; therefore, the stand column limiting assemblies are required to be arranged on the two sides of the stand column, so that the stand column stops and can reduce stress at the connecting part of the stand column and the screw rod under the action of the stand column limiting assemblies no matter which direction of the screw rod is suspended when the screw rod moves downwards.
Further, a reinforcing bar 7 is disposed between the contact member 3 and the support bar 2, one end of the reinforcing bar 7 is connected to the side wall of the contact member 3, and the other end of the reinforcing bar 7 is connected to the side wall of the support bar 2.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. Reduce device of marking device inertia damage in moving, its characterized in that: the vertical column limiting device comprises a vertical column limiting component, wherein the vertical column limiting component mainly comprises a moving block (1), a supporting rod (2) and a telescopic contact element (3) which are sequentially connected, the moving block (1) is connected with a driving device and can make linear motion under the driving of the driving device, one end of the supporting rod (2) is connected with the moving block (1), the other end of the supporting rod (2) is connected with the contact element (3), the axis of the supporting rod (2) is perpendicular to the moving track of the moving block (1), and the axis of the contact element (3) is parallel to the moving track of the moving block (1);
the support rod is characterized by further comprising a horizontal arm limiting assembly arranged on the support rod (2), wherein the horizontal arm limiting assembly comprises an arm blocking piece (5) and a telescopic rod (6) which are sequentially connected, the arm blocking piece (5) is a U-shaped piece and is symmetrical along the axis of the telescopic rod (6); one end of the telescopic rod (6) is connected with the outer side face of the arm blocking piece (5), the other end of the telescopic rod is vertically connected with the supporting rod (2), and the horizontal arm limiting component and the contact piece (3) are both positioned on the same side of the supporting rod (2);
the device is characterized by further comprising a controller and a pressure sensor (4), wherein the pressure sensor (4) is arranged at one end, far away from the supporting rod (2), of the contact piece (3) and can sense pressure parallel to the axis of the contact piece;
the pressure sensor (4) and the motor of the contact piece (3) are connected with the controller, the pressure sensor (4) sends sensed pressure information to the controller, and the controller receives a pressure signal from the pressure sensor and controls the output power of the motor of the contact piece (3) so as to control the extension length of the contact piece (3).
2. Apparatus for reducing inertial damage during movement of a line marking apparatus as claimed in claim 1, wherein: elastic rubber layers are arranged at the ends, far away from the telescopic rod (6), of the arm blocking pieces (5).
3. Apparatus for reducing inertial damage during movement of a line marking apparatus as claimed in claim 1, wherein: the two upright post limiting assemblies are provided, contact pieces (3) in the upright post limiting assemblies are arranged opposite to each other, and the contact pieces (3) are coaxial with each other.
4. Apparatus for reducing inertial damage during movement of a line marking apparatus as claimed in any one of claims 1 to 3 wherein: a reinforcing rod (7) is arranged between the contact element (3) and the supporting rod (2), one end of the reinforcing rod (7) is connected with the side wall of the contact element (3), and the other end of the reinforcing rod (7) is connected with the side wall of the supporting rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454261.4A CN107139154B (en) | 2017-06-16 | 2017-06-16 | Device for reducing inertia damage in moving of marking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454261.4A CN107139154B (en) | 2017-06-16 | 2017-06-16 | Device for reducing inertia damage in moving of marking device |
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| Publication Number | Publication Date |
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| CN107139154A CN107139154A (en) | 2017-09-08 |
| CN107139154B true CN107139154B (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710454261.4A Active CN107139154B (en) | 2017-06-16 | 2017-06-16 | Device for reducing inertia damage in moving of marking device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3426978A1 (en) * | 1984-07-21 | 1986-01-30 | Zett Mess Vertriebsgesellschaft mbH, 5205 St Augustin | Height-measuring and marking device |
| JPH11207664A (en) * | 1998-01-22 | 1999-08-03 | Koike Sanso Kogyo Co Ltd | Marking device |
| CN102581535A (en) * | 2012-02-29 | 2012-07-18 | 长城汽车股份有限公司 | Flexible splicing device for sidewalls of automobiles |
| CN103358297A (en) * | 2013-07-10 | 2013-10-23 | 爱佩仪中测（成都）精密仪器有限公司 | Scribing machine capable of carrying out multi-surface scribing |
| CN203343814U (en) * | 2013-07-10 | 2013-12-18 | 爱佩仪中测（成都）精密仪器有限公司 | Full-automatic one-arm three-dimensional cutting machine |
| CN104647361A (en) * | 2015-02-11 | 2015-05-27 | 镇江震东电光源有限公司 | Mechanical arm for feeding machine of lamp filament |
| CN106346059A (en) * | 2016-11-14 | 2017-01-25 | 东莞市森川机械工具有限公司 | Chamfering functional part and driving part split type anti-lock intra-mode chamfering machine |
| CN206937297U (en) * | 2017-06-16 | 2018-01-30 | 爱佩仪中测（成都）精密仪器有限公司 | Stopping means for single armed pen machine |
-
2017
- 2017-06-16 CN CN201710454261.4A patent/CN107139154B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3426978A1 (en) * | 1984-07-21 | 1986-01-30 | Zett Mess Vertriebsgesellschaft mbH, 5205 St Augustin | Height-measuring and marking device |
| JPH11207664A (en) * | 1998-01-22 | 1999-08-03 | Koike Sanso Kogyo Co Ltd | Marking device |
| CN102581535A (en) * | 2012-02-29 | 2012-07-18 | 长城汽车股份有限公司 | Flexible splicing device for sidewalls of automobiles |
| CN103358297A (en) * | 2013-07-10 | 2013-10-23 | 爱佩仪中测（成都）精密仪器有限公司 | Scribing machine capable of carrying out multi-surface scribing |
| CN203343814U (en) * | 2013-07-10 | 2013-12-18 | 爱佩仪中测（成都）精密仪器有限公司 | Full-automatic one-arm three-dimensional cutting machine |
| CN104647361A (en) * | 2015-02-11 | 2015-05-27 | 镇江震东电光源有限公司 | Mechanical arm for feeding machine of lamp filament |
| CN106346059A (en) * | 2016-11-14 | 2017-01-25 | 东莞市森川机械工具有限公司 | Chamfering functional part and driving part split type anti-lock intra-mode chamfering machine |
| CN206937297U (en) * | 2017-06-16 | 2018-01-30 | 爱佩仪中测（成都）精密仪器有限公司 | Stopping means for single armed pen machine |
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| CN107139154A (en) | 2017-09-08 |
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